Iron

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by Yasmina1379
Last updated 6 years ago

Discipline:
Science
Subject:
Chemical Elements

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Iron

Symbol: FeAtomic Number: 26Atomic Weight: 55.845Classification: Transition metalPhase at Room Temperature: SolidElement Classification: MetalDensity: 7.874 grams per cm cubedMelting Point: 1538°C, 2800°FBoiling Point: 2862°C, 5182°FDiscovered by: Known about since ancient timesLocation:group 8 and period 4Human abundance of Iron:0.0060%In universe:0.11%

Interesting Facts about Iron One third of Earth’s mass is believed to be iron, most of which lies deep within the planet, in the core. There is enough iron on Earth to make three new planets, each with the same mass as Mars. Circulation of liquid iron deep in the earth is believed to create the electric currents that create our planet’s magnetic field. Iron is essential for human brain development.Iron deficiency in children leads to, among other problems, an impaired ability to learn. (7)

Iron is the only element to have an age named after it.(the other Ages being stone and bronze, which are,respectively,varied mixtures of compound and an alloy). Iron richly deserves the honor; if you're going to name Ages after their primary toolmaking material,iron is absolutely without equal. You could argue we're still very much in the Iron Age. When people describe metals such as aluminum(13)or titanium(22)as being lighter,stronger,or more corrosion resistant,they're always comparing them to one thing,iron,because to this day iron remains the metal of industry. When push comes to shove, if you want to build something really big,or really strong,iron is what you use(the one exception being when it's supposed to fly; then weight settles the arrangemet in favor of a more expensive,lighter metal).It is also used in:1-Medieval horseshoe wich shows pitting from centuries of slow rusting.2-A huge iron wrench head for 4-inch nuts.

Archaeological evidence suggests that people have been using iron for at least 5000 years. Iron is the cheapest and one of the most abundant of all metals, comprising nearly 5.6% of the earth's crust and nearly all of the earth's core. In addition to helping build the world around us, iron helps keep plants and animals alive. Iron plays a role in the creation of chlorophyll in plants and is an essential part of hemoglobin, the substance that carries oxygen within red blood cells. Iron sulfate (FeSO4) is used to treat the blood disease, anemia.Iron is the most used of all the metals, comprising 95 percent of all the metal tonnage produced worldwide. Its combination of low cost and high strength make it indispensable, especially in applications like automobiles, the hulls of large ships, and structural components for buildings. Steel is the best known alloy of iron, and some of the forms that iron takes include:Pig iron has 4% - 5% carbon and contains varying amounts of contaminants such as sulfur, silicon and phosphorus. Its only significance is that of an intermediate step on the way from iron ore to cast iron and steel.

1-what is the most abundant metal on Earth?2-what is earth's core made of?3-what is the main effect of earth's core?4-what does iron deficiency in childre lead to?5-what is the best known alloy of iron?6-what is the role of iron in human body?

history and uses

1-http://education.jlab.org/itselemental/2-The app the Element3-http://www.ducksters.com/science/chemistry/iron.php4-http://www.dailyworldfacts.com/iron-fact/

Iron Age


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